Example usage for org.jfree.data.statistics DefaultStatisticalCategoryDataset remove

Introduction

In this page you can find the example usage for org.jfree.data.statistics DefaultStatisticalCategoryDataset remove.

Prototype

public void remove(Comparable rowKey, Comparable columnKey) 

Source Link

Document

Removes an item from the dataset and sends a DatasetChangeEvent to all registered listeners.

Usage

From source file:org.jfree.data.statistics.DefaultStatisticalCategoryDatasetTest.java

/**
 * Some checks for the remove method.//from  w  ww.j a v  a 2  s  .  c  om
 */
@Test
public void testRemove() {
    DefaultStatisticalCategoryDataset data = new DefaultStatisticalCategoryDataset();

    boolean pass = false;
    try {
        data.remove("R1", "R2");
    } catch (UnknownKeyException e) {
        pass = true;
    }
    assertTrue(pass);
    data.add(1.0, 0.5, "R1", "C1");
    assertEquals(new Range(1.0, 1.0), data.getRangeBounds(false));
    assertEquals(new Range(0.5, 1.5), data.getRangeBounds(true));

    data.add(1.4, 0.2, "R2", "C1");

    assertEquals(1.0, data.getRangeLowerBound(false), EPSILON);
    assertEquals(1.4, data.getRangeUpperBound(false), EPSILON);
    assertEquals(0.5, data.getRangeLowerBound(true), EPSILON);
    assertEquals(1.6, data.getRangeUpperBound(true), EPSILON);

    data.remove("R1", "C1");

    assertEquals(1.4, data.getRangeLowerBound(false), EPSILON);
    assertEquals(1.4, data.getRangeUpperBound(false), EPSILON);
    assertEquals(1.2, data.getRangeLowerBound(true), EPSILON);
    assertEquals(1.6, data.getRangeUpperBound(true), EPSILON);
}

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